#include <cstdlib>
#include <cstring>
#include <iostream>
#include "asio.hpp"

using asio::ip::tcp;

enum { max_length = 1024 };

int main(int argc, char* argv[])
{
    try
    {
        if(argc != 3)
        {
            std::cerr << "Usage: blocking_tcp_echo_client <host> <port>\n";
            return 1;
        }

        asio::io_context io_context;

        tcp::socket s(io_context);
        tcp::resolver resolver(io_context);
        asio::connect(s, resolver.resolve(argv[1], argv[2]));
        while(true)
        {
            std::cout << "Enter message: ";
            char request[max_length];
            std::cin.getline(request, max_length);
            size_t request_length = std::strlen(request);
            asio::write(s, asio::buffer(request, request_length));

            char reply[max_length];
            size_t reply_length = asio::read(s,
                                             asio::buffer(reply, request_length));
            std::cout << "Reply is: ";
            std::cout.write(reply, reply_length);
            std::cout << "\n";
        }
    }
    catch(std::exception& e)
    {
        std::cerr << "Exception: " << e.what() << "\n";
    }

    return 0;
}